...because the springy-toilet-paper-middle-thingy has been purloined.
Little Warrior has taken it for her own. It is, apparently, the greatest toy in the world. It can be used on the air return to make great noise, it can be held and squeezed, it can be made to jump up and down, it can be used to hit a willing big-brother on the head, it can even be a doll.
LW is the fourth child and we have toys on top of toys on top of toys.
But this is the best.